Atomos Powered Docking Station with USB 3.1 Gen 1 & 2.0 The RAM-B-108B-STRAP40U accommodates rails from

The RAM-B-108B-STRAP40U accommodates rails from 2" to a maximum of 3"  diameter

One side is used to grap onto a pole

video format

the new RAM strap base lets you choose the best possible mounting location for almost anything

Ideal for drone/aerial applications and other types of field work requiring wireless A/V transmission up to 500 ft

Atomos Powered Docking Station with USB 3.1 Gen 1 & 2.0 The RAM-B-108B-STRAP40U accommodates rails fromA low profile offload dock for your Atomos drive caddies, the Atomos Powered Docking Station will be an elegant addition to your computer desk as well as compact accessory for your transport bag. It supports a single drive caddy at a time and efficiently offloads the drive contents direct to your computer via an integrated USB cable. Both Master Caddy and Master Caddy II models are supported. This powered model is an upgrade over the previous Atomos